Datums for 8775222, Viola Turning Basin TX


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8775222, Viola Turning Basin, TX
Status: Accepted (Aug 24 2022)
Units: Feet
Control Station: 8775237 Port Aransas, TX
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW0.70Mean Higher-High Water
MHW0.69Mean High Water
MTL0.35Mean Tide Level
MSL0.40Mean Sea Level
DTL0.35Mean Diurnal Tide Level
MLW0.02Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-26.99Station Datum
GT0.71Great Diurnal Range
MN0.66Mean Range of Tide
DHQ0.02Mean Diurnal High Water Inequality
DLQ0.03Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide2.79Highest Observed Tide
Max Tide Date & Time08/22/2023 22:42Highest Observed Tide Date & Time
Min Tide-1.04Lowest Observed Tide
Min Tide Date & Time02/05/2024 21:12Lowest Observed Tide Date & Time
HAT1.16Highest Astronomical Tide
HAT Date & Time10/18/2008 08:54HAT Date and Time
LAT-0.63Lowest Astronomical Tide
LAT Date & Time01/28/2006 18:42LAT Date and Time
Tidal Datum Analysis Periods
06/01/2021 - 05/31/2022




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